23987460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 80438400

約数和(自身を除く): 56450940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 199, 205, 210, 245, 246, 287, 294, 398, 410, 420, 490, 492, 574, 588, 597, 615, 735, 796, 820, 861, 980, 995, 1148, 1194, 1230, 1393, 1435, 1470, 1722, 1990, 2009, 2388, 2460, 2786, 2870, 2940, 2985, 3444, 3980, 4018, 4179, 4305, 5572, 5740, 5970, 6027, 6965, 8036, 8159, 8358, 8610, 9751, 10045, 11940, 12054, 13930, 16318, 16716, 17220, 19502, 20090, 20895, 24108, 24477, 27860, 29253, 30135, 32636, 39004, 40180, 40795, 41790, 48755, 48954, 57113, 58506, 60270, 81590, 83580, 97510, 97908, 114226, 117012, 120540, 122385, 146265, 163180, 171339, 195020, 228452, 244770, 285565, 292530, 342678, 399791, 489540, 571130, 585060, 685356, 799582, 856695, 1142260, 1199373, 1599164, 1713390, 1998955, 2398746, 3426780, 3997910, 4797492, 5996865, 7995820, 11993730, 23987460]

約数ペア:

[(1, 23987460), (2, 11993730), (3, 7995820), (4, 5996865), (5, 4797492), (6, 3997910), (7, 3426780), (10, 2398746), (12, 1998955), (14, 1713390), (15, 1599164), (20, 1199373), (21, 1142260), (28, 856695), (30, 799582), (35, 685356), (41, 585060), (42, 571130), (49, 489540), (60, 399791), (70, 342678), (82, 292530), (84, 285565), (98, 244770), (105, 228452), (123, 195020), (140, 171339), (147, 163180), (164, 146265), (196, 122385), (199, 120540), (205, 117012), (210, 114226), (245, 97908), (246, 97510), (287, 83580), (294, 81590), (398, 60270), (410, 58506), (420, 57113), (490, 48954), (492, 48755), (574, 41790), (588, 40795), (597, 40180), (615, 39004), (735, 32636), (796, 30135), (820, 29253), (861, 27860), (980, 24477), (995, 24108), (1148, 20895), (1194, 20090), (1230, 19502), (1393, 17220), (1435, 16716), (1470, 16318), (1722, 13930), (1990, 12054), (2009, 11940), (2388, 10045), (2460, 9751), (2786, 8610), (2870, 8358), (2940, 8159), (2985, 8036), (3444, 6965), (3980, 6027), (4018, 5970), (4179, 5740), (4305, 5572)]